PRORXD Broadcast Receiver User Guide
Commercial in Confidence
Broadcast Solutions, HD/SD Products,
PRORXD
100167
Revision: 7.0
Commercial in Confidence
Page 10-95
N
Means…
NMEA 0183
NMEA 0183 is a combined electrical and data specification for
communication between marine electronic devices such as echo sounder,
sonar, anemometer, gyrocompass, autopilot, GPS receivers and many other
types of instruments. It has been specified by, and is controlled by, the U.S.-
based National Marine Electronics Association.
NTSC
National Television Systems Committee.
Noise
Random pulses of electromagnetic energy generated by lightening or
electrical equipment.
O
Means…
Omni directional
antenna
An antenna radiation pattern that shows the same radiation in all horizontal
directions.
Oscillation
A periodic, repetitive movement or set of values (voltage, current, velocity).
P
Means…
PAL
Phase Alternate Line.
PIR
Passive Infra-Red sensor (PIR sensor) is an electronic device that measures
infrared (IR) light radiating from objects in its field of view.
PTZ
Pan, Tilt and Zoom – PTZ is a usual description of controllable cameras.
Propagation
A phenomenon by which a wave moves from one point to a second point; the
movement of electromagnetic waves through space or along a transmission
line.
Q
Means…
QPSK
Quadrature Phase Shift Keying.
R
Means…
RF
Radio Frequency.
RTSP
Real Time Streaming Protocol (RTSP) is a network control protocol designed
for operation in entertainment and communications systems to
control streaming media servers. The protocol is used for establishing and
controlling media sessions between end points. Clients of media servers
issue VCR-like commands, such as play and pause, to let real-time control of
playback of media files from the server.
Rx
Receiver, an electronic device that changes a radio signal from a
transmitter into useful information.
